<template>
  <div class="manager-container">
    <div class="app-container">
      <el-row :gutter="20">
        <el-col :span="20">
          <el-form :model="queryParams" ref="queryForm" :inline="true">
            <el-col :span="12">
              <el-form-item label="菜单名称" prop="menuName">
                <el-input
                  v-model="queryParams.menuName"
                  placeholder="请输入菜单名称"
                  clearable
                  size="default"
                  @keyup.enter.native="handleQuery"
                />
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item label="状态" prop="status">
                <el-select v-model="queryParams.status" placeholder="菜单状态" clearable size="default">
                  <el-option label="正常" value="0">正常</el-option>
                  <el-option label="停用" value="1">停用</el-option>
                </el-select>
              </el-form-item>
            </el-col>
            <el-col :span="1.5">
              <el-button type="primary" size="default" @click="handleQuery">
                <i class="iconfont icon-chaxun">查询</i>
              </el-button>
            </el-col>
            <el-col :span="1.5">
              <el-button size="default" @click="resetQuery">
                <i class="iconfont icon-chongzhi">重置</i>
              </el-button>
            </el-col>
          </el-form>
        </el-col>
      <el-col :span="4">
          <el-row :gutter="20" class="mb8" style="float:right">
            <el-col :span="1.5">
              <el-button
                type="primary"
                size="default"
                @click="handleAdd"
                v-if="permissiones(['system:menu:add'])"
              >
                <i class="iconfont icon-tianjia">新增</i>
              </el-button>
            </el-col>
            <el-col :span="1.5">
              <el-button style="width: 100px" type="info" plain size="default" @click="toggleExpandAll">
                <i class="iconfont icon-paixu">展开/折叠</i>
              </el-button>
            </el-col>
          </el-row>
        </el-col>
      </el-row>

      <el-table
        :header-cell-style="{background:'#fafafa'}"
        :border="true"
        v-loading="loading"
        v-if="refreshTable"
        :data="menuList"
        row-key="menuId"
        :default-expand-all="isExpandAll"
        :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
        height="600"
      >
        <el-table-column prop="menuName" label="菜单名称" :show-overflow-tooltip="true" width="160"></el-table-column>
        <el-table-column prop="icon" label="图标" align="center" width="100">
          <template #default="scope">
            <svg-icon :name="scope.row.icon"/>
          </template>
        </el-table-column>
        <el-table-column prop="orderNum" label="排序" align="center"></el-table-column>
        <el-table-column prop="perms" label="权限标识" align="center" :show-overflow-tooltip="true"></el-table-column>
        <el-table-column prop="component" label="组件路径" align="center" :show-overflow-tooltip="true"></el-table-column>
        <el-table-column prop="status" label="状态" align="center">
          <template #default="scope">
            <el-tag :type="scope.row.status == 1 ? 'danger' : 'success'">
              {{
              scope.row.status == 1 ? "停用" : "正常"
              }}
            </el-tag>
          </template>
        </el-table-column>
        <el-table-column label="创建时间" align="center" prop="createTime">
          <template #default="scope">
            <span>{{ scope.row.createTime }}</span>
          </template>
        </el-table-column>
        <el-table-column
          label="操作"
          align="center"
          class-name="small-padding fixed-width"
          width="200"
          fixed="right"
        >
          <template #default="scope">
            <el-button
              size="default"
              type="text"
              @click="handleUpdate(scope.row)"
              v-if="permissiones(['system:menu:edit'])"
            >编辑</el-button>
            <el-divider direction="vertical"></el-divider>
            <el-button
              type="text"
              size="default"
              @click="handleAdd"
              v-if="permissiones(['system:menu:add'])"
            >新增</el-button>
            <el-divider direction="vertical"></el-divider>
            <el-button
              size="default"
              type="text"
              @click="handleDelete(scope.row)"
              v-if="permissiones(['system:menu:remove'])"
            >删除</el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 添加或修改菜单对话框 -->
      <el-dialog
        :title="title"
        v-model="open"
        width="680px"
        append-to-body
        :close-on-click-modal="false"
      >
        <el-form ref="form" :model="form" :rules="rules" label-width="100px">
          <el-row>
            <el-col :span="24">
              <el-form-item label="上级菜单">
                <treeselect
                  v-if="open"
                  v-model="form.parentId"
                  :value="form.parentId"
                  :options="menuOptions"
                  :normalizer="normalizer"
                  :show-count="true"
                  placeholder="选择上级菜单"
                />
              </el-form-item>
            </el-col>
            <el-col :span="24">
              <el-form-item label="菜单类型" prop="menuType">
                <el-radio-group v-model="form.menuType">
                  <el-radio label="M">目录</el-radio>
                  <el-radio label="C">菜单</el-radio>
                  <el-radio label="F">按钮</el-radio>
                </el-radio-group>
              </el-form-item>
            </el-col>
            <el-col :span="24" v-if="form.menuType != 'F'">
              <el-form-item label="菜单图标" prop="icon">
                <el-popover
                  placement="bottom-start"
                  :width="460"
                  trigger="click"
                  @show="$refs['iconSelect'].reset()"
                >
                  <IconSelect ref="iconSelect" @selected="selected"/>
                  <template #reference>
                    <el-input v-model="form.icon" placeholder="点击选择图标"  clearable>
                      <template #prefix v-if="form.icon">
                        <svg-icon
                          :name="form.icon"
                          class="el-input__icon"
                          style="height: 32px; width: 16px"
                        />
                      </template>
                      <template #prefix v-else>
                        <i class="el-icon-search el-input__icon"/>
                      </template>
                    </el-input>
                  </template>
                </el-popover>
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item label="菜单名称" prop="menuName">
                <el-input v-model="form.menuName" placeholder="请输入菜单名称"/>
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item label="显示排序" prop="orderNum">
                <el-input-number v-model="form.orderNum" controls-position="right" :min="0"/>
              </el-form-item>
            </el-col>
            <el-col :span="12" v-if="form.menuType != 'F'">
              <el-form-item>
                <template #label>
                  <el-tooltip placement="top">
                    <template #content>选择是外链则路由地址需要以`http(s)://`开头</template>
                    <i class="iconfont icon-quanxian"></i>
                  </el-tooltip>是否外链
                </template>
                <el-radio-group v-model="form.isFrame">
                  <el-radio label="0">是</el-radio>
                  <el-radio label="1">否</el-radio>
                </el-radio-group>
              </el-form-item>
            </el-col>
            <el-col :span="12" v-if="form.menuType != 'F'">
              <el-form-item prop="path">
                <template #label>
                  <el-tooltip placement="top">
                    <template #content>访问的路由地址，如：`user`，如外网地址需内链访问则以`http(s)://`开头</template>
                    <i class="iconfont icon-quanxian"></i>
                  </el-tooltip>路由地址
                </template>
                <el-input v-model="form.path" placeholder="请输入路由地址"/>
              </el-form-item>
            </el-col>
            <el-col :span="12" v-if="form.menuType == 'C'">
              <el-form-item prop="component">
                <template #label>
                  <el-tooltip placement="top">
                    <template #content>访问的组件路径，如：`system/user/index`，默认在`views`目录下</template>
                    <i class="iconfont icon-quanxian"></i>
                  </el-tooltip>组件路径
                </template>
                <el-input v-model="form.component" placeholder="请输入组件路径"/>
              </el-form-item>
            </el-col>
            <el-col :span="12" v-if="form.menuType == 'C'">
              <el-form-item prop="component">
                <template #label>
                  <el-tooltip placement="top">
                    <template #content>高亮显示菜单</template>
                    <i class="iconfont icon-quanxian"></i>
                  </el-tooltip>显示菜单
                </template>
                <el-input v-model="form.activiteMenu" placeholder="请输入组件路径"/>
              </el-form-item>
            </el-col>
            <el-col :span="12" v-if="form.menuType != 'M'">
              <el-form-item>
                <el-input v-model="form.perms" placeholder="请输入权限标识" maxlength="100"/>
                <template #label>
                  <el-tooltip placement="top">
                    <template
                      #content
                    >控制器中定义的权限字符，如：@PreAuthorize(`@ss.hasPermi('system:user:list')`)</template>
                    <i class="iconfont icon-quanxian"></i>
                  </el-tooltip>权限字符
                </template>
              </el-form-item>
            </el-col>
            <el-col :span="12" v-if="form.menuType == 'C'">
              <el-form-item>
                <el-input v-model="form.query" placeholder="请输入路由参数" maxlength="255"/>
                <template #label>
                  <el-tooltip placement="top">
                    <template #content>
                      访问路由的默认传递参数，如：`{"id": 1, "name":
                      "ry"}`
                    </template>
                    <i class="iconfont icon-quanxian"></i>
                  </el-tooltip>路由参数
                </template>
              </el-form-item>
            </el-col>
            <el-col :span="12" v-if="form.menuType == 'C'">
              <el-form-item>
                <template #label>
                  <el-tooltip placement="top">
                    <template #content>选择是则会被`keep-alive`缓存，需要匹配组件的`name`和地址保持一致</template>
                    <i class="iconfont icon-quanxian"></i>
                  </el-tooltip>是否缓存
                </template>
                <el-radio-group v-model="form.isCache">
                  <el-radio label="0">缓存</el-radio>
                  <el-radio label="1">不缓存</el-radio>
                </el-radio-group>
              </el-form-item>
            </el-col>
            <el-col :span="12" v-if="form.menuType != 'F'">
              <el-form-item>
                <template #label>
                  <el-tooltip placement="top">
                    <template #content>选择隐藏则路由将不会出现在侧边栏，但仍然可以访问</template>
                    <i class="iconfont icon-quanxian"></i>
                  </el-tooltip>显示状态
                </template>
                <el-radio-group v-model="form.visible">
                  <el-radio label="0">显示</el-radio>
                  <el-radio label="1">隐藏</el-radio>
                </el-radio-group>
              </el-form-item>
            </el-col>
            <el-col :span="12" v-if="form.menuType != 'F'">
              <el-form-item>
                <template #label>
                  <el-tooltip placement="top">
                    <template #content>选择停用则路由将不会出现在侧边栏，也不能被访问</template>
                    <i class="iconfont icon-quanxian"></i>
                  </el-tooltip>菜单状态
                </template>
                <el-radio-group v-model="form.status">
                  <el-radio label="0">正常</el-radio>
                  <el-radio label="1">停用</el-radio>
                </el-radio-group>
              </el-form-item>
            </el-col>
          </el-row>
        </el-form>
        <template #footer>
          <span class="dialog-footer">
            <el-button type="primary" @click="submitForm">确 定</el-button>
            <el-button @click="cancel">取 消</el-button>
          </span>
        </template>
      </el-dialog>
    </div>
  </div>
</template>

<script>
//引入消息弹出框
import { ElMessageBox, ElMessage } from "element-plus";
import {
  listMenu,
  getMenu,
  delMenu,
  addMenu,
  updateMenu
} from "@/api/system/menu";
import { handleTree } from "@/utils";
import { hasPermi } from "@/utils/auth";
//引入公共组件
import Pagination from "@/components/Pagination/index.vue"; //分页
import Treeselect from "vue3-treeselect";
import "vue3-treeselect/dist/vue3-treeselect.css";
import IconSelect from "@/components/IconSelect";
export default {
  name: "Menu",
  components: {
    Pagination,
    IconSelect,
    Treeselect
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 菜单表格树数据
      menuList: [],
      // 菜单树选项
      menuOptions: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 是否展开，默认全部折叠
      isExpandAll: false,
      // 重新渲染表格状态
      refreshTable: true,
      // 查询参数
      queryParams: {
        menuName: "",
        visible: ""
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        menuName: [
          {
            required: true,
            message: "菜单名称不能为空",
            trigger: "blur"
          }
        ],
        orderNum: [
          {
            required: true,
            message: "菜单顺序不能为空",
            trigger: "blur"
          }
        ],
        path: [
          {
            required: true,
            message: "路由地址不能为空",
            trigger: "blur"
          }
        ]
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /**权限问题 */
    permissiones(value) {
      return hasPermi(value);
    },
    /** 展示下拉图标 */
    showSelectIcon() {
      console.log(this.$refs.iconSelectRef);
      this.$refs.iconSelectRef.reset();
      this.showChooseIcon = true;
    },
    /** 选择图标 */
    selected(name) {
      // this.form.icon = name
      // this.showChooseIcon = false
      this.form.icon = name;
    },
    /** 查询菜单列表 */
    getList() {
      this.loading = true;
      listMenu(this.queryParams).then(response => {
        this.menuList = handleTree(response.data, "menuId");
        this.loading = false;
      }).catch(err=>{
        this.$message.error(err.msg)
      });
    },
    /** 转换菜单数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children;
      }
      return {
        id: node.menuId,
        label: node.menuName,
        children: node.children
      };
    },
    /** 查询菜单下拉树结构 */
    async getTreeselect() {
      await listMenu().then(response => {
        this.menuOptions = [];
        const menu = {
          menuId: 0,
          menuName: "主类目",
          children: []
        };
        menu.children = handleTree(response.data, "menuId");
        this.menuOptions.push(menu);
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        menuId: undefined,
        parentId: 0,
        menuName: undefined,
        icon: undefined,
        menuType: "M",
        orderNum: undefined,
        isFrame: "1",
        isCache: "0",
        visible: "0",
        status: "0"
      };
      // this.resetForm('form')
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.$refs.queryForm.resetFields();
      this.handleQuery();
    },
    /** 新增按钮操作 */
    async handleAdd(row) {
      this.reset();
      await this.getTreeselect();
      if (row != null && row.menuId) {
        this.form.parentId = row.menuId;
      } else {
        this.form.parentId = 0;
      }
      this.open = true;
      this.title = "添加菜单";
    },
    /** 展开/折叠操作 */
    toggleExpandAll() {
      this.refreshTable = false;
      this.isExpandAll = !this.isExpandAll;
      this.$nextTick(() => {
        this.refreshTable = true;
      });
    },
    /** 修改按钮操作 */
    async handleUpdate(row) {
      this.reset();
      await this.getTreeselect();
      getMenu(row.menuId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改菜单";
      });
    },
    /** 提交按钮 */
    submitForm: function() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.menuId != undefined) {
            updateMenu(this.form)
              .then(response => {
                this.$message.success(response.msg);
                this.open = false;
                this.getList();
              })
              .catch(err => {
                this.$message.error(err.msg);
              });
          } else {
            addMenu(this.form)
              .then(response => {
                this.$message.success(response.msg);
                this.open = false;
                this.getList();
              })
              .catch(err => {
                this.$message.error(err.msg);
              });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      ElMessageBox.confirm(
        '是否确认删除名称为"' + row.menuName + '"的数据项？',
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }
      )
        .then(function() {
          return delMenu(row.menuId);
        })
        .then(() => {
          this.getList();
          ElMessage({
            type: "success",
            message: "删除成功"
          });
        })
        .catch(err => {
          this.$message.info("已取消");
        });
    }
  }
};
</script>
<style lang="less" scoped></style>
